https://www.thule.com/en-us/bike-trailers/bike-trailer-accessories/thule-thru-axle-maxle-m12-x-175-_-20110739
Thule thru axle Maxle (M12 x 1.75) - Adapter for Maxle 12 mm rear axles to connect your bike trailer to the bicycle.
thru axlethuleunited
https://www.thule.com/en-cy/bike-trailers/bike-trailer-accessories/thule-thru-axle-m12-x-10-_-20110800
Thule thru axle (M12 x 1.0) - Adapter for 12 mm rear axles to connect your bike trailer to the bicycle.
thru axlethulecyprus
https://www.specialized.com/us/en/front-thru-axle-100mm/p/177515?color=283314-177515
Front Thru-Axle with fixed position handle for 100mm front hub spacing
thru axlefront
https://www.specialized.com/us/en/mountain-boost-rear-thru-axle-148mm-v2/p/4233821?color=5371850-4233821
Rear bolt-on thru-axle with 6mm head and minimal taper for increased stiffness used on Gen.3 Levo, Kenevo SL, Tero X, and Stumpjumper EVO bikes.
thru axlemountainboostrear